Who determines the electoral voters in the United States?

The correct answer is that each state selects its own electors. This process stems from the Electoral College system established in the U.S. Constitution, specifically under Article II, Section 1. Each state is allocated a number of electors equal to its total number of Senators and Representatives in Congress, which means the number of electors varies from state to state based on population.

States have the authority to dictate how their electors are chosen, often through a popular vote during presidential elections, where voters select a slate of electors pledged to vote for their preferred candidate. This method reinforces the federal structure of the U.S. government, where states retain significant control over their own electoral processes.

The other choices involve entities that do not have a direct role in selecting electoral voters. The federal government does not choose electors; rather, it creates the overarching rules that govern presidential elections but leaves the execution to the states. The Supreme Court justices do not participate in the selection of electors, as their role is primarily to interpret laws rather than administer electoral processes. Congress, while responsible for certifying the electoral votes, does not select electors; that function is reserved for individual states.